Barco Galaxy NH-12, Руководство по обслуживанию

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7. Electronic parts and servicing procedures
Connector
Description
19 & 20 motor control and power supply to lens shift board
21
mains power supply to the X-fan supply
The connectors which are not mentioned are not used in this projector!
7.2.2 Diagnostics of the power box
LED diagnostics
Four LED’s can be seen through the opening in the box between connectors 3 and 4.
1
8 7 9
12
13
14
19
21
15 17 18 16
2 3 4 5 6
red orange
orange green
1 2 3 4
Image 7-23
Power box: diagnostic LEDs
LED
number
LED color Description
1
orange
ON when +12V is active (active state of the projector)
2
green
ON when ++12V is active (standby state of the projector)
3 red ON if the power box sends an interrupt to the projector control and the projector control does
not read this interrupt
4
orange
BLINKS (with a frequency of 1 sec) when the power box control is OK
7.2.3 Removing the power box
Necessary tools
• Torx screwdriver T20
• Nut spanner 7 mm
How to remove the power box?
The way to remove the power box is to fi rst remove the assembly {power box — X-fan supply — fan X-fan} as a unit and then to
remove the {X-fan supply — fan X-fan}.
1. Remove the covers (see concerning chapters) :
48 R59770141 GALAXY NH-12 20/02/2008